for questions concerning Ubuntu's kernel, including compiling and questions relating to modules

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2answers
51 views

Install driver for Exar XR17V358 in Linarto Ubuntu 12.04 LTS

I have a Freescale iMX6 SMARC module and carrier board. It came from the manufacturer with Ubuntu Linaro 12.04 LTS (kernel 3.0.35). I need a lot of serial ports, so I got the Syba 8 port PCIe card ...
1
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1answer
46 views

Why is /boot so small?

I recently had the warning that /boot was running out of space and I found this solution. Having rebooted and confirmed that I didn't fubar my system, I'm looking at why it happened in the first ...
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0answers
20 views

I was trying to compile a kernel on Ubuntu and this error popped up?

/bin/sh: 1: arm-linux-gcc: not found make[1]: *** [kernel/bounds.s] Error 127 make: *** [prepare0] Error 2
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2answers
96 views

Downgrade linux kernel in lubuntu

I am using lubuntu 14.04. I want to downgrade the kernel. It was pretty simple in ubuntu 14.04 downloading and opening in software center, but in lubuntu that is not working. I have installed it using ...
2
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1answer
73 views

Wifi not worrking after kernel update

I updated Ubuntu from version 14.04 to 14.10 and installed kernel v. 3.17 ,as described on this blog, to gain Display port MST support. This gave me MST support but WIFI does not not after the kernel ...
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0answers
49 views

Ubuntu freezes all the time - already checked other posts

I've already read many posts with similar problems and have tried a few things, but couldn't get rid of this issue... I have the common problem of my Ubuntu freezing all the time. Everytime I try to ...
2
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1answer
60 views

Getting same patch from two different people at the same time

What happens when two different people fixed and send the same patch at the same time?
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1answer
157 views

Failed to install 3.16 kernel on Ubuntu 14.04

I am trying to install 3.16 kernel on Ubuntu 14.04. I was following http://askubuntu.com/questions/506956/how-can-i-install-3-16-kernel-on-ubuntu-14-04 instructions to install the kernel. I got these ...
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0answers
43 views

Ubuntu on Chromebook - How to add iptables_nat to special kernel?

I am running this modified version of Ubuntu on my Acer C720 Chromebook. Recently I've tried installing Docker, but it seems that this special version of Ubuntu lacks iptables_nat: eir@asgard:~$ sudo ...
2
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1answer
149 views

Highly unstable wifi Realteck Lenovo T450s with rtl8192ee

My WiFi doesn't work on my newest Lenovo T450s. By doesn't work, I mean sometimes it will work, and then for some reason it'll stop. It'll even break the router if I insist too much on reconnecting. ...
0
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1answer
57 views

Kernel panic when trying to install ubuntu

Summary: When trying to install Ubuntu i get Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0) and the other questions adressing the same error doesn't help since all ...
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0answers
127 views

no HDMI audio on Intel NUC (NUC5i5RYH)?

As the subject suggests, I'm having a bit of trouble getting audio over HDMI with an Intel NUC. I'm running 15.04 Vivid. To be honest, I've heard before that the kernel is considered to be monolithic ...
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0answers
97 views

Python app crash after sending command “GPIO.setup( 7, GPIO.OUT)”?

Python app crash after sending command "GPIO.setup( 7, GPIO.OUT)" !!! Action step: pi@rp:~$ python3 Python 3.4.3 (default, Mar 26 2015, 23:09:09) [GCC 4.9.2] on linux Type "help", "copyright", ...
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2answers
23 views

How can I install klogd on ubuntu trusty?

I am trying to find how can I install the kernel daemon logger on ubuntu trusty (14.04.2). It looks like it does not run on my machine after ps aux |grep klogd . locate does not find it as well.
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0answers
28 views

No Keyboard, no network after power-out 14.04 LTS Server

After a power-outage, the server rebooted OK, but fails to set up networking and the USB keyboard no longer worked (A bit of a hinderance as I then have no way to access the machine). I tried several ...
0
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0answers
13 views

Get Systemtap to work on 14.04

I'm trying to get systemtap to work on 14.04. So far I've had very little success: I couldn't find debug symbols for the kernel version for trusty. I ended up installing utopic's kernel (*-38), and ...
0
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0answers
50 views

Boot hangs at drive unlock after Grub

When booting certain kernels, the boot process hangs where it wants me to unlock a fully encrypted hard drive. The input to type the passkey is there, but there is a blinking cursor on top-left corner ...
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0answers
38 views

how to change kernel name

How do I change kernel name to any name like Linux 3.13.0-53-generic to any name and version ABC 3.12.0.53 generic So that If i logged out from any site like Face-book it sends me back via email of ...
0
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0answers
105 views

Ubuntu 15.04 suspending long after lid is closed

My MacBook Air has Ubuntu 15.04 installed. Ubuntu 15.04 only suspends after about 10-30seconds after lid is closed. This worked totally fine in ububntu 14.04 and 14.10. I hav attached the code in: ...
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1answer
34 views

Can't compile drivers for rt8188eu wifi card

i have tried compiling this and also with the one i got from its manufactures. both are giving same make error.. When i make all.... make[2]: *** ...
1
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1answer
47 views

Removing Kernels from grub

My grub has the following versions which I want to remove. Ubuntu, with Linux 4.1.0-rc5-next-20150529 Ubuntu, with Linux 4.1.0-rc5-next-20150529.old Ubuntu, with Linux 4.1.0-rc4-next-20150525 ...
0
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1answer
53 views

error while compile driver

when i want compile broadcom wireless driver it give this error : root@hello-notebook:/home/hello/bcm/broadcom# make KBUILD_NOPEDANTIC=1 make -C /lib/modules/`uname -r`/build M=`pwd` make[1]: ...
0
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1answer
44 views

How can I upgrade packages on a broken ubuntu installation from a live usb?

I downgraded from linux-image-3.19.0-18-generic to linux-image-3.19.0-16-generic and then stupidly removed 3.19.0-18 without thinking. When I rebooted I was unable to load unity and my network ...
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0answers
18 views

How can I print my own statement in terminal during kernel 4.0.4 compilation in Ubnutu 12.04

I tried to put some printk lines in start_kernel() function But those lines are not showing in terminal during compilation and install of kernel. I don't know how to do that. Or is there any way to ...
0
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0answers
28 views

How does 'upgrade packages during installation' affect point release and kernel updates?

I've recently freshly installed Ubuntu Server 14.04, allowing package updates by internet on installation. This was installed from the 14.04 disc image, downloaded before any of the 14.04.1 and ...
1
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1answer
78 views

Ubuntu 14.0.4 - Mistake while installing

This is the first time I install Ubuntu. First I downloaded the universal usb drive, then I selected the location of Ubuntu, which was on my external hard drive, and I made a mistake by putting the ...
0
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0answers
33 views

Kernel questions

I'd like to install kernel 4.0.4 on my 14.04. I want to do it mainly for educational purposes. In fact, I want to learn how to install the binary kernel and how to compile it from sources. I found ...
0
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1answer
112 views

BFQ I/O Scheduler

As you probably know, the BFQ scheduler drastically improves disk performances in a typical desktop usage scenario. Now, I wanna try it on my 14.04.2, but all the guides I was able to find googling ...
0
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1answer
60 views

ubuntu update kernel

I thought that the usual update in Ubuntu does install new kernel versions. I noticed that $uname -r 3.13.0-24-generic and $dpkg -l | grep linux-image ii linux-image-3.13.0-24-generic ...
2
votes
1answer
139 views

Use of Predictable Network Interface Names with alternate kernels

Almost constantly, I use kernels from the Ubuntu kernel PPA, or kernels I have compiled myself, using the Ubuntu kernel configuration. The problem is when I am using the stock kernel it seems to ...
2
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0answers
134 views

Why aren't all of my CPU cores always detected in ubuntu 14.04 with an Intel Core Duo 2 CPU?

I'm using Ubuntu 14.04.2 LTS with kernel 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8 09:43:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux. Computer model: iMac Late 2009 ( ...
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0answers
21 views

recovery of files from the home folder to delete the kernel by accident

I'm starting to use linux and decided to use ubuntu 14.10 mate! one of them was that of an innocent I ended up deleting my kernel system in order to increase the space in the folder/boot ja that my ...
1
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1answer
74 views

Install 4.0 Linux Kernel od Ubuntu 14.04 i686 [duplicate]

I like to install linux 4.0 kernel on ubuntu 14.04 but i don't find any file for i686.
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0answers
21 views

Kernel panic on boot with Elan touchscreen with kernel 3.16

I have been having issues with booting ubuntu on my new Acer Aspire R3-471T-53LA. There is a 1/6 chance that it will boot, and the other times, there will be a kernel panic after I2C-HID fails to ...
0
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1answer
49 views

Kernel Panic at boot Xubuntu 14.04.2

I'm receiving a kernel panic when I try to boot Xubuntu 14.04.2 - this is my System: Windows 8 (sda2) Xubuntu 14.04.2 (sda7) Kali Linux (sda9) First, I installed Xubuntu next Windows. That was no ...
0
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1answer
41 views

Ubuntu Gnome 14.04: stop upgrading old kernel

I recently upgraded the kernel in Ubuntu 14.04 from 3.13 to 3.16. But the Updater (or apt) keeps insisting on upgrading the 3.13 branch. How to stop this behavior? Is it safe to remove all 3.13 ...
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2answers
25 views

How Can I know which kernel version I am using in Ubuntu 12.04?

I want to know my kernel version without using $ uname -a command or terminal . Is there any way where I can find which kernel version I am using. May be by accessing grub files or something ?
1
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1answer
43 views

Installation of 3rd party soundcard driver

I'm using Ubuntu 14.04 LTS. I got a new PCI soundcard with 3rd party divers: aqprox 32bit pci. CHIPSET C-Media CM8738 PCI-6CH-CX In the linux drivers folder I have this files: -rw-r--r-- 1 ...
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0answers
13 views

My linux is not being displayed in the grub

I installed and built my linux kernel following the instructions given in http://kernelnewbies.org/KernelBuild, but my newly installed kernel is not displayed in the grub and I am getting a message ...
0
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1answer
257 views

Can I downgrade the kernel on Ubuntu 14.04.2?

I have an application that works fine on 14.04.1 but does not work fine on 14.04.2. I found a bug report that indicates the newer kernel in 14.04.2 is the source of this issue. Is possible to ...
0
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1answer
31 views

How to recompile the kernel without the sources?

Is it possible to recompile the current running kernel WITHOUT downloading new sources packages? I just want to reconfigure my currently running & patched kernel. I no longer have the original ...
0
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2answers
398 views

“Starting version 219” after kernel upgrade to 3.19.0-18

Today after kernel upgrade from 3.19.0-16 to 3.19.0-18 lightdm fails to start. GPU driver is fglrx installed from "Additional drivers" tab of "Software & updates". Try to enable service by ...
2
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1answer
53 views

How to clear space on a boot partition [duplicate]

We have inherited an Ubuntu Linux server that continues to run out of space on the /boot partition and now the clean and autoclean commands are no longer working. We suspect that the problem has ...
0
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2answers
51 views

Dead graphical environment on update linux kernel 3.19.018

I had a problem today, when I install the lastest updates, including the headers for linux kernel, tha graphical environment did'nt work, so I've tried upgrade the system, but the terminal even ...
0
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0answers
43 views

There are no pwm-capable sensor modules installed for my Z97M Plus board even with kernel 3.19

I just bought new motherboard which is Asus Z97M-Plus. Earlier I have a P8B75-M. I used to control my fan speeds with that board. My fans have only three pins. But in the new board it won't work. I ...
2
votes
1answer
110 views

My boot volume is full, what should I do now?

I keep on getting an urgent error message telling me my BOOT volume is full! How can I safely clean this up? Please be aware, I am a newbie in Linux. This is the result of uname -a: Linux ...
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2answers
134 views

How to get support for the new 97 chipset under ubuntu 14.04?

I just bought a new motherboard Z97M Plus. The problem is the kernel in Ubuntu 14.04 does not fully support it. For example I have trouble setting up fan control. So my question is, is it ok to ...
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1answer
49 views

Ubuntu stopped booting

Ubuntu 15.04 has been installed. An update published May 21th was processed, which contains a new kernel. It stopped to boot with a message "Starting version 219." I have a Ubuntu bootable usb. ...
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0answers
103 views

Unable to find an initial ram disk that I know how to handle

After upgrading to the next linux image, aptitude has outputted the following lines: Setting up linux-image-3.16.0-38-generic (3.16.0-38.52~14.04.1) ... Running depmod. update-initramfs: deferring ...
1
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1answer
130 views

How to build Kernel version 4.0.4 using Git?

I should like to build a 4.0 kernel by cloning a repository as described in this web page which quotes the text : git clone git://kernel.ubuntu.com/ubuntu/ubuntu-.git I can't find an appropriate ...